18791532

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 50756160

約数和(自身を除く): 31964628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 331, 332, 342, 498, 662, 684, 747, 993, 996, 1324, 1494, 1577, 1986, 2979, 2988, 3154, 3972, 4731, 5958, 6289, 6308, 9462, 11916, 12578, 14193, 18867, 18924, 25156, 27473, 28386, 37734, 54946, 56601, 56772, 75468, 82419, 109892, 113202, 164838, 226404, 247257, 329676, 494514, 521987, 989028, 1043974, 1565961, 2087948, 3131922, 4697883, 6263844, 9395766, 18791532]

約数ペア:

[(1, 18791532), (2, 9395766), (3, 6263844), (4, 4697883), (6, 3131922), (9, 2087948), (12, 1565961), (18, 1043974), (19, 989028), (36, 521987), (38, 494514), (57, 329676), (76, 247257), (83, 226404), (114, 164838), (166, 113202), (171, 109892), (228, 82419), (249, 75468), (331, 56772), (332, 56601), (342, 54946), (498, 37734), (662, 28386), (684, 27473), (747, 25156), (993, 18924), (996, 18867), (1324, 14193), (1494, 12578), (1577, 11916), (1986, 9462), (2979, 6308), (2988, 6289), (3154, 5958), (3972, 4731)]